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142892669 is a prime number
BaseRepresentation
bin10001000010001…
…01111001111101
3100221212200220002
420201011321331
5243040031134
622102404045
73353365463
oct1041057175
9327780802
10142892669
1173728417
123ba30625
13237b0b9a
1414d98833
15c82887e
hex8845e7d

142892669 has 2 divisors, whose sum is σ = 142892670. Its totient is φ = 142892668.

The previous prime is 142892663. The next prime is 142892689. The reversal of 142892669 is 966298241.

142892669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141967225 + 925444 = 11915^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 142892669 - 212 = 142888573 is a prime.

It is a super-2 number, since 2×1428926692 = 40836629707887122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142892663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71446334 + 71446335.

It is an arithmetic number, because the mean of its divisors is an integer number (71446335).

Almost surely, 2142892669 is an apocalyptic number.

It is an amenable number.

142892669 is a deficient number, since it is larger than the sum of its proper divisors (1).

142892669 is an equidigital number, since it uses as much as digits as its factorization.

142892669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 142892669 is about 11953.7721661407. The cubic root of 142892669 is about 522.8012886556.

The spelling of 142892669 in words is "one hundred forty-two million, eight hundred ninety-two thousand, six hundred sixty-nine".